Brussels Sprouts Gratin Recipe

Ingredients

• 2 pounds Brussels sprouts, trimmed of outer leaves and sliced in half
• Salt, to taste
• 2 ounces pancetta, diced
• 1 tablespoon butter
• 3 shallots, peeled, halved, and sliced
• 2 tablespoons all purpose flour
• 1 3/4 cup whole milk
• Scant pinch freshly ground nutmeg
• Thyme leaves from 2 sprigs of thyme or 1/2 teaspoon dry thyme
• 4 ounces grated Gruyere cheese, divided 3 ounces and 1 ounce